#A64331#A64331

#A64331 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.3% C 0.135 H 32.3°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#A64331
RGB	rgb(166, 67, 49)
HSL	hsl(9, 54%, 42%)
HSV	hsv(9, 70%, 65%)
CMYK	cmyk(0%, 59.6%, 70.5%, 34.9%)
CIE-LAB	lab(41.76, 39.70, 31.35)
CIE-LCH	lch(41.76, 50.58, 38.30°)
OKLab	oklab(51.3% 0.114 0.072)
OKLCH	oklch(51.3% 0.135 32.3)
XYZ	xyz(18.2892, 12.3455, 4.3250)
Luminance	0.1234 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A64331 #3194A6

analogous

#A63159 #A64331 #A67E31

triadic

#A64331 #31A643 #4331A6

tetradic

#A64331 #59A631 #3194A6 #7E31A6

square

#A64331 #59A631 #3194A6 #7E31A6

split-complementary

#A64331 #31A67E #3159A6

monochromatic

#471D15 #773023 #A64331 #CA5E4A #D8887A

Accessibility & contrast

On white

6.05

#A64331 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#A64331 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A64331

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A64331	#FFFFFF	#000000	##FFFFFF
##A64331	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E552F

Deuteranopia (green-blind)

#766B2E

Tritanopia (blue-blind)

#B62E3F

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #a64331;
/* rgb */ color: rgb(166, 67, 49);
/* oklch */ color: oklch(51.3% 0.135 32.3);

Tailwind

colors: {
  custom: {
    50: '#c77b6a',
    500: '#a64331',
    950: '#000000',
  },
}

SCSS

$custom: #a64331;
$custom-light: #c77b6a;
$custom-dark: #000000;

JSON

{
  "hex": "#a64331",
  "rgb": {
    "r": 166,
    "g": 67,
    "b": 49
  },
  "hsl": {
    "h": 9.231,
    "s": 54.419,
    "l": 42.157
  },
  "oklch": {
    "l": 0.51302,
    "c": 0.13486,
    "h": 32.3
  },
  "luminance": 0.12343
}

Semantic roles & 50–950 ramp

primary

#A64331

secondary

#73B4C0

accent

#C7DE4A

background

#FDF7F6

surface

#FAEEEB

border

#D3C9C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A64331

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →